National Do Not Call Registry
This stops legitimate telemarketers. Registration takes about 31 days to take full effect.
- 1 Go to DoNotCall.gov
- 2 Click Register Your Phone
- 3 Enter your phone number and email
- 4 Click the confirmation link in the email within 72 hours
Call 1-888-382-1222 from the phone you want to register. The system will automatically register your number.
iPhone: Silence Unknown Callers
Sends calls from numbers not in your contacts straight to voicemail. Your phone won't ring.
- 1 Open Settings (gear icon)
- 2 Scroll down and tap Phone
- 3 Tap Silence Unknown Callers
- 4 Turn the switch ON (green)
Android: Block Unknown Numbers
Blocks calls from private or unidentified numbers. Steps may vary slightly by phone model.
- 1 Open the Phone app
- 2 Tap the three dots (menu) in top corner
- 3 Tap Settings → Block numbers
- 4 Turn on Block unknown callers